Exhaust structure of exhaust system for a small boat

Details Exhaust structure of exhaust system for a small boat Exhaust structure of exhaust system for a small boat

B - Operations, Transporting

63

H

B63H 21/32 (2006.01) F01N 13/00 (2010.01) F01N 13/12 (2010.01) F01N 1/02 (2006.01) B63B 35/73 (2006.01)

Patent

CA 2400012

To provide an exhaust system for a small boat in which exhaust noise can be lowered easily. The exhaust system 30 for a small boat is constructed in such a manner that an exhaust pipe 31 extends rearward from the engine 15 provided in the hull 11, a water muffler 36 is provided in the way of the exhaust pipe 31, and exhaust gas is discharged through the water lock pipe 37 in the inverted U-shape extending upward from the water muffler 36. The exhaust system 30 for a small boat is provided with a resonator chamber 57 for attenuating resonant of the water lock pipe 37 in the water muffler 36.

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